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As consumers pay more and more attention to health, people pay more attention to the health of the materials used in the box itself. Hygienic and safe materials, harmless to human body, such as PC materials, PE materials and PP materials, now the more common preservation box materials are PP materials. Plastic fresh-keeping boxes should not be put into microwave ovens and ovens because plastic can produce harmful substances at high temperatures. In addition, the tempered glass fresh-keeping box may self-explode when it meets extreme cold and extreme heat. At present, the fashionable and green fresh-keeping box is heat-resistant glass fresh-keeping box. Below is a small knitting of disposable environmental protection tableware. Let's understand the correct use of disposable convenience lunch boxes.
Different shapes store different things and make it more convenient to use. In addition to the common square, rectangle, round, there are also special picnic suits designed to make life more simple and convenient. Square packing box: Excellent sealing performance, suitable for storing food, can prevent the refrigerator odor, suitable for storing all kinds of condiments, leftovers, the remaining cans, fruits, vegetables. It is convenient for use in refrigerators, freezers and microwave ovens, and can also be used for other purposes.
Rectangular packing box: Suitable for storing bacon and meat food. It is easy to store food with water because of the water receiving board. Large capacity rectangular fresh-keeping box is suitable for preserving fruits, vegetables and seafood.
Round packing box: Suitable for long-term storage of all kinds of spices, canned fruits, miscellaneous grains, nuts, tea and other foods, easy to put in refrigerators, freezers, microwave ovens. The circular design is suitable for storing drinks, children's milk and various grains, nuts and tea during field trips.
High-cylinder packing box: Suitable for storing noodles, cucumbers and other long strip food. Because the height of the high-cylinder fresh-keeping box is higher than that of the general fresh-keeping box, the requirement of die size and demoulding is high in processing technology, so there are not many manufacturers that can produce high-cylinder fresh-keeping box on the market, and the products are relatively few.